Assuming you somehow force Synapse 3 to install, you are entering dangerous territory.
Verdict: Forcing Synapse 3 is a security and stability nightmare. You risk bricking your peripheral’s firmware if a partial update runs.
If you cannot install Synapse 3 and your device isn't supported by Synapse 2, you have one final option: Don't use the software.
Most Razer peripherals have On-Board Memory. razer synapse 3 windows 7
If you have a Razer device manufactured before 2022, you can still get the last compatible version running.
How to install on Windows 7 (x64):
For devices released before 2019, Synapse 2.0 works fully on Windows 7. Supported devices include: Razer DeathAdder Elite, BlackWidow Chroma V1, Orbweaver, Naga Trinity (partial). Not supported: Huntsman V2, Basilisk V3, all wireless dongles with HyperSpeed. Assuming you somehow force Synapse 3 to install,
The short answer is no, not officially.
As of late 2021, Razer officially discontinued active development and technical support for Synapse 3 on Windows 7. According to Razer’s official support pages and installation requirements, Windows 10 64-bit (or Windows 11) is mandatory.
Why did Razer drop Windows 7?
The Critical Distinction: Razer Synapse 2.0 (the legacy green-themed software) does support Windows 7 perfectly. However, hardware released after 2018—like the Basilisk V3, Huntsman V2, BlackWidow V4, and Naga Pro—requires Synapse 3. This creates a paradox: new Razer hardware cannot talk to Windows 7 through Razer’s intended pipeline.
Some Razer devices (e.g., Viper 8K, DeathAdder V2 X Hyperspeed) allow you to configure DPI and lighting on a Windows 10 machine, save those settings to the device’s onboard memory, and then move the device back to Windows 7. The saved profiles persist. This is the cleanest workaround but requires temporary access to a Windows 10 PC.
Using Synapse 3 version 3.6.520.51926 (from April 2020) with the following modifications: Verdict: Forcing Synapse 3 is a security and
Result: